HW-MN0401577 – Residency
2nd sighting in Chatham Strait
HW-MN0401577 @142174
Aug 1 – 16, 2025 · Chatham Strait
Chatham Strait · Aug 2025
153 m
Deepest dive
5:26
Longest dive
28
Dives
- Sightings
- 2
- Days between first and last sighting
- 14
- Deepest dive on record
- 153 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 1, 2025 | 22 m | — | 17 m |
| Aug 16, 2025 | 189 m | — | 153 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
153 m
Deepest dive
5:26
Longest dive
28
Dives
19 m
Avg dive depth
2
Sightings
14
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (189 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 16, 2025
measured- Seafloor depth
- 189 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 22 m – 189 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.